A six-week expedition starting in July will try to find Paititi in the Megantoni National Sanctuary in south-east Peru
Prehistoric forest arises in Cardigan Bay after storms strip away sand
Skeletal trees of Borth forest, last alive 4,500 years ago and linked to lost kingdom of Cantre’r Gwaelod, appear at shoreline
Retreating Alpine glacier gives up another body after 34 years
Jonathan Conville, 27, vanished from the Matterhorn in 1979. Now, as the ice melts, his remains join finds dating back 5,000 years
Gathered around the bronze age Hurlers
Minions, Cornwall: Kneeling volunteers work with trowels, intent on uncovering the mysterious pathway of quartz, last revealed in the 1930s, that seems to link two of the stone circles
A tiny corpse by the Devil’s Jumps
South Downs Way, West Sussex: Constructed about 3,500 years ago, these bronze age barrows are oriented upon the setting sun on Midsummer Day
Northumberland coast’s ancient secrets to be saved from sea with lottery grant
Archaeologists excavating Low Hauxley site expect to find cremation urns, human remains and bronze age treasures
Antarctic water PR stunt involving Vladimir Putin comes unstuck
Head of Russian scientific expedition admits contents of presentation case were not actually from ancient sub-glacial lake
Scott’s lost Antarctica photographs bought for the nation
Pictures acquired with help of Heritage Lottery Fund grant in time for centenary of ill-fated journey